Flue cap



Mau-chv 19, 1946.

` o. l. oLs'EN FLUE CAP Filed oct. 2, 1944 2 Sheets-Sheet 1 March19,1946. o. l.I oLsEN 2,396,876..

' FLUEy CAP vF'ilea oct. 2, 1944 2 sheets-sheet 2 I' I AInventor aan;.*LsE/v, l

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Patented Mar. 19, 1946 I UNITED STATES PATENT OFFICE FLUE CAP Olaf L.Olsen, Petersburg, Territory of Alaska Application October 2, 1944,Serial No. 556,807

1 Claim. (Cl. 98-73) This invention relates to a iiue cap, or smoke of abolt I5 threaded at both its extremities, and

stack or chimney protector or cover. secured in position, in pivotalassociation with A primary object of this invention is the prothe sleeveI0, as by nuts I6.

vision of an improved iiue cap or cover for chim- Secured to the sidesof hood I4, as by rivets Il neys or the like adapted to reduce to aminimum 5 or the like, are two extending wings I8.

the possibility of ingress of wind or the 'like into From the foregoingthe method of operation of chimney. the device should now be readilyunderstandable.

A still further object is the DIOViSiOn of 511011 It will be readilyseen that when the device is a device adapted to be tilted in thedirection rotated in the direction of blowing wind, the acthe Wind isblowing, in order to protect the fire 1 tion of such wind upon theprotruding wings I8 flOm blowing 011i?, With the resultant inconvenwillrtilt the device about a pivot comprised of ience and danger attendantupon possible eX- the'bolt I5 until the extremity or edge of the plosionin the stove or furnace associated with member I4 is tilted into contactIwith the ilange the ue. or plate I2. 'I'his will effect the closure, ofthe Still anOther Object iS the Dl'OVSOn 0f Such e l5 chimney opening onthe side thereof adjacent the device which will be sturdy and durable incondirection of the oncoming wind. Such closure StruCtiOn, reliable andefficient in operatlen, 'and will remain in effect until the pressure ofthe wind relatively Simple and iIleXlSensive to manufacis diminished, orits direction shifted at which ture. time the parts will resume abalanced position Other objects will in part lloe obvious and in partshown in Figures 1 and 2. As the wind resumes pointed out as thedescription of the invention in intensity or changes in direction thedevice Proceeds and partly shown in the accompanying will again beclosed until such time as the velocity drawings, wherein there isdisclosed the preferred is again diminished, embodiment of thisinventive concept. From the foregoing it will now be seen that In thedrawings? d therel is herein provided a device accomplishing Figure 1 isa side elevational View of one form au the objects of this invention andOthers inof device embodying this invention, certain hidcluding manyadvantages cf great practical utilden parts being indicated in dottedlines. ity and commercial importance.

Figure 2 is an end elevational view of the de- AS many embodiments maybe made of this vice shown in Figure 1. inventive concept, and as manymodifications Figure 3 iS e i201) plan View 0f the device may be made inthe embodiment hereinbefore Figure 4 iS e Sectional View takenSubstanshown and described, it is to be understood that tially along theline 4-4 0f Figure 2, and all matter herein is to be interpreted merelyas Figure 5 is a Sectional View teken Substantially illustrative and notin alimiting sense. along the line 5-5 of Figure 1. 35 I claim:

Like reference numerals refer to like parts In a nue can or the like,the combination of a throughout the several views of the drawings.sleeve adapted to be positioned around a nue, an

In the drawings there is generally Shown ai' oblate plate secured tosaid sleeve and having a I0 a cylindrical sleeve, adapted to bepositioned 4 Centrally disposed aperture adjacent the top of over theend of a chimney, stack or flue llthe sleeve, a hood pivotally securedto said sleeve Mounted 0n the upper Portlon 0f Sleeve "l 1S an at apoint below said plate extending over the Voblate flange I2, having acentrally disposed aptop of the nue, and Wings on said hood extenderturetherein of a dimension substantially equal ing below Said plate, theends of Said plate extend t0 the diameter 0f the Chimney, and being Se'45 ing a substantial distance beyond the extremicured to the sleeve Illas by rivets. ties of said hood to limit the pivotal movement Secured tosleeve II and longitudinally aligned thereof, the pressure of wind onsaid wings serv With the flange l2 iS a hood I4, the upper P01 ing totilt said hood into'engagement with said tion of which is spaced abovethe top of the p1ate,

sleeve, and the securing means taking the form OLAF L OLSEN.

